Synonyms for Nonbreakable:

• adj.

  •unbreakable (adjective)
  • adamantine,
  • toughened,
  • brassbound,
  • everlasting,
  • invulnerable,
  • solid,
  • brass-bound,
  • indestructible,
  • nonbreakable,
  • perdurable,
  • resistant,
  • rugged,
  • unyielding,
  • unshakable,
  • durable,
  • firm,
  • tight,
  • lasting,
  • non-breakable,
  • armored,
  • incorruptible.

• Other synonyms:

  •Other relevant words (noun):
  • shatterproof,
  • unbreakable,
  • infrangible.

Antonyms for Nonbreakable:

• adj.

  • unbreakable
    delicate, weak, fragile, breakable.

• n.

  • other_words
    frangible.